import axios from 'axios'
import {Message} from 'element-ui';
import router from '../router'

//请求拦截器
axios.interceptors.request.use(config => {
  //判断是否存在token，存在则存入请求头中
  if (window.sessionStorage.getItem('token')) {
    config.headers['Authorization']=window.sessionStorage.getItem('token');
  }
  return config;
}, error => {
  console.log(error);
});

//响应拦截器
axios.interceptors.response.use(success => {
  //业务逻辑错误
  if (success.status && success.status == 200) {
    if (success.data.code == 500 || success.data.code == 401 || success.data.code == 403) {

    }
  }
  return success.data;
}, error => {
  if (error.response.code == 504 || error.response.code == 404) {
    Message.error({message: '服务器错误！'});
  } else if (error.response.code == 403) {
    Message.error({message: '权限不足，请联系管理员!'});
  } else if (error.response.code == 401) {
    Message.error({message: '尚未登录，请登录'});
    router.replace('/login'); //跳转到登录页面
  } else {
    if (error.response.data.message) {
      Message.error({message: error.response.data.message});
    } else {
      Message.error({message: '未知错误！'});
    }
  }
  return;
});

let base = '/api';

//传送json格式的post请求
export const postRequest = (url, params) => {
  return axios({
    method: 'post',
    url: `${base}${url}`,
    data: params,
    contentType: 'application/json;charset=utf-8'
  })
};

//传送参数的put请求
export const putRequest = (url, params)=>{
  return axios({
    method: 'put',
    url: `${base}${url}`,
    data: params
  })
};

//传送参数的delete请求
export const deleteRequest = (url, params)=>{
  return axios({
    method: 'delete',
    url: `${base}${url}`,
    data: params
  })
};

//传送参数的get请求
export const getRequest = (url, params)=>{
  return axios.get(`${base}${url}`,{
    params: params
  })
};

